Home / 4,913.44-7,370.16-2,860

Finding the Fourth Proportional to 4,913.44, 7,370.16 and 2,860

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Solution

The fourth proportional to 4,913.44, 7,370.16 and 2,860 is: 4,290

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.44 : 7,370.16 = 2,860 : x
  2. Step 2: Convert to fraction form
    4,913.44/7,370.16 = 2,860/x
  3. Step 3: Cross multiply
    4,913.44x = 7,370.16 × 2,860
  4. Step 4: Simplify right side
    4,913.44x = 21,078,657.60
  5. Step 5: Solve for x
    x = 21,078,657.60/4,913.44
  6. Step 6: Final answer
    x = 4,290

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.